Valve.



W. W. RIDDELL.

VALVE.

APPLICATION FILED JAN. 12. 1911.

Patented Sept. 25, 1917.

2 SHEETS--SHEET I.

INVENTOR.

ATTORNEYS.

W. W. RIDDELL.

VALVE.

APPLICATION FILED JAN. 12. 1917,

Patented Sept. 25, 1917.

2 SHEETSSHEET 2.

A TTORNEYS.

erase rarnn'r environ WILLIAM W. RIDDELL, OF CHICAGO, ILLINOIS.

VAL E,

rea ers.

To all whom it may concern:

Be it known that I, WILLIAM W. Riemann,

a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented new and useful Imcharge-forming device of the engine, the

latter bein therefore supplied with warm air to facilitate the vaporization of the liquid fuel.

The invention also has for its object to deliver water vapors to the carbureter by means of a connection between the radiator and the air passage through the valve as will be described hereinafter in detail.

In order that the invention may be better understood, reference is bad to the accompanying drawings forming a part of this specification.

In the drawings,

Figure 1 is an elevation of the engine equipped with my improved valve mechanism;

Fig. 2 is a lon 'tudinal section thereof;

Fig. .3 is an e evation of the rotary valve removed;

Figs. d and 5 are enlarged cross-sections on the lines 44 and 5-5, respectively, of lFi 2, and

igz 6 is a sectional detail of a vaporfeeding means.

Referring specifically to the drawings, the invention is shown applied to an engine having four cylinders 10 in each of which a piston 10 reciprocates. The cylinders may be cast en 6200 as is the usual practice, and they are closed at their top or inner end by a head 11. In the contiguous portions of the cylinders and the head is a longitudinal bore in which is mounted a rotary valve 12 governing the admission of the fuel char es.

In order to provide for the lubricatlon of the valve 12, its outer surface is provided with longitudinal grooves 12, and over each cylinder, the head 11 has a lubricant inlet 11 leading to the bore in which the valve works.

Specification of Letters Patent.

Application filed January 12, 1911. Serial No. 142,071.

Patentedgept. as, fair.

In the side of the cylinders are fuel inlet passages 13' which open at their outer ends into an intake manifold 14: having a connection 15 with a carbureter or other chargeforming device 16. The other ends of the passages open into the bore in which the valve 12 seats, the latter having cavities 17 in its side so located as to register with the inner ends of the passages 13 and thus establish communication between the latter and inlet ports 18 in the top of the cylinders 10, to admit the fuel charged to the latter.

The valve 12 is hollow and open at both ends, wherebyan air chamber or passageway 19 is formed in the valve, said chamber extending throughout the entire length of the valve. Into one end of this chamber extends a pipe 20 leading to the air intake of the carbureter 16. On the other .end of the valve is fixed a sprocket wheel 21 to provide a driving connection for the valve. Any suitable gearing may be provided for rotating the valve from the engine shaft at a fixed ratio of transmission according to the cycle of the engine. If the engine is a four-cycle engine, a two-to-one gearing will of course be provided.

When the engine is in operation, the suction in the air-intake of the carbureter, draws air through the valve chamber 19 and the valve 12 is thus cooled. A. large radiation surface is provided by forming the wall of the chamber 19 with fins 19*. The air in its passage through the valve absorbs heat, and the carbureter therefore draws in warm air which facilitates the vaporization of the liquid fuel.

To the air inlet end of the valve chamber 19 is connected a means for delivering water vapor to said chamber, said means comprising the following parts:

At 22 is shown a fragment of the radiator in which the water which circulates through the water jacket of the engine is cooled. in the filler neck 22 of the radiator is mounted a tube 23 which passes out of the rad-iator and extends into the air inlet end of the valve chamber 19. That portion of the tube 23 which is located in the tiller neck of the radiator is arranged perpendicularly therein and its upper end is open and terminates close to the outer end of the neck, said neck being provided with the usual closure in the form of a screw cap 24. The inlet end of .the tube 23 is above the normal water level air, v-v\ hich'pr0duces a better "fuel mixture in the radiator, and the vapors rising from 'the heated water in the radiator pass into and also reduces earbonization tola mini,-

In' order that the vapor delivery tube 23 nay havefa ,continuous supply of air, the

' radiator'eap 24e is provided with an aper ture from which a tube 25 depends through the neck 22 into the top Water chamber of the radiator. In this tube is loosely mount-' ed a rigid stem 26 rising from a float valve 27. Normally, .this valve rests on the bottom of the top Watervchamber of the radiator, or floats on the surface of the water as it risesin said chamber. If the Water level rises beyond a predetermined limit, the valve rises and closes the tube 25 by seating" 25' Water from splashing out through the tube 25 and over the cap 24:. The suctionin the against the inner bottom end thereof as showndotted in Fig; 6, thereby preventing tending into. the air therein to obtain e r;- I

tube 2.3 is stron enough to draw air into the same through t e water.

I clai'm': a 1. The ,combination with awater-cooled internal-combustion engine having a port, a L

charge-forming device, and-'aradiator for the cooling system; of a rotary valve for the aforesaid port, said valve havingan air from-the aforesaid radiator tj sageway;

2, The eombination a wate I cooled internal-combustion engine ha inga ert, a

passageway the outlet of whiehise'o'nneeted to the air-intake of the-f chfarge-iforfiiiiig (16-- vice, and meansfor. delivering,water fvapor charge-forming device, and a' ;radi{ator;ffor

the cooling-system of a rotary valve or the;

aforesaid port, said va1ve'hav1ng;-an};a1r pas: sagewayr the outlet-of which is" eonected the air-intake ofthe and a watervapo nected fto the'raidiato ah thgrefrom, ntestiinonw ereoff a xim 1 Yto I lce',

h v v y s gnature; LIAM-W11, :RIDDELL; 

